68 lines
2.6 KiB
Go
68 lines
2.6 KiB
Go
package service
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import (
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"testing"
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"fashionapi/internal/model"
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"fashionapi/internal/pkg/imgurl"
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)
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// TestBuildSnapImages 验证公开详情的 image 只含主图、副图嵌套在其主图的 Detail 下，
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// 且「副图的副图」上浮归并到该副图所在组的主图。
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//
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// 5 张图：A 主，B 副(挂 A)；C 主；D 副(挂 C)；E 副(挂 B → 应上浮归并到 A)
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//
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// 期望 images 只有 2 张主图：A(Detail=[B,E], LookIndex=1)、C(Detail=[D], LookIndex=2)。
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func TestBuildSnapImages(t *testing.T) {
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s := &streetSnapService{img: imgurl.New("", "", "")}
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imgs := []model.StreetSnapImage{
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{ID: 1, Image: "A", Name: "A", IsDetail: 0, ParentImageID: 0},
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{ID: 2, Image: "B", Name: "B", IsDetail: 1, ParentImageID: 1},
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{ID: 3, Image: "C", Name: "C", IsDetail: 0, ParentImageID: 0},
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{ID: 4, Image: "D", Name: "D", IsDetail: 1, ParentImageID: 3},
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{ID: 5, Image: "E", Name: "E", IsDetail: 1, ParentImageID: 2}, // 2 是副图 → 上浮到 A
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}
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out := s.buildSnapImages(imgs)
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if len(out) != 2 {
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t.Fatalf("images 应只含 2 张主图，实际 %d", len(out))
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}
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a := out[0]
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if a.Name != "A" || a.IsDetail != 0 || a.LookIndex != 1 {
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t.Fatalf("第 1 张应为 A 主图 LookIndex=1，实际 name=%s is_detail=%d look=%d", a.Name, a.IsDetail, a.LookIndex)
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}
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if len(a.Detail) != 2 || a.Detail[0].Name != "B" || a.Detail[1].Name != "E" {
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t.Fatalf("A 的副图应依序为 [B,E]，实际 %d 张", len(a.Detail))
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}
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for _, d := range a.Detail {
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if d.IsDetail != 1 || d.LookIndex != 1 {
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t.Fatalf("副图 %s 的 is_detail/look_index 应为 1/1，实际 %d/%d", d.Name, d.IsDetail, d.LookIndex)
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}
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}
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c := out[1]
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if c.Name != "C" || c.LookIndex != 2 {
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t.Fatalf("第 2 张应为 C 主图 LookIndex=2，实际 name=%s look=%d", c.Name, c.LookIndex)
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}
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if len(c.Detail) != 1 || c.Detail[0].Name != "D" {
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t.Fatalf("C 的副图应为 [D]，实际 %d 张", len(c.Detail))
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}
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}
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// TestBuildSnapImagesOrphan 父引用指向失效行（不存在）时，该图按主图渲染，不丢图。
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func TestBuildSnapImagesOrphan(t *testing.T) {
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s := &streetSnapService{img: imgurl.New("", "", "")}
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imgs := []model.StreetSnapImage{
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{ID: 1, Image: "A", Name: "A", IsDetail: 1, ParentImageID: 99}, // 父 99 不存在
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{ID: 2, Image: "B", Name: "B", IsDetail: 0, ParentImageID: 0},
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}
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out := s.buildSnapImages(imgs)
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if len(out) != 2 {
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t.Fatalf("孤儿副图应自成主图：images=%d", len(out))
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}
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if out[0].Name != "A" || out[0].IsDetail != 0 || len(out[0].Detail) != 0 {
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t.Fatalf("A 应作为无副图的主图，实际 name=%s is_detail=%d details=%d", out[0].Name, out[0].IsDetail, len(out[0].Detail))
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}
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}
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